arr = [930, 630, 370, 770, 1034, 490, 90, 210]

n = len(arr)
for i in range(n):
    for j in range(0, n - i - 1):
        if arr[j] < arr[j + 1]:
            arr[j], arr[j + 1] = arr[j + 1], arr[j]

print("排序后的数组:")
for i in range(len(arr)):
    print("%d" % arr[i])
